public class Example8_23 {
	public static void main(String args[]) {
		RedEnvelope redEnvelope = new RandomRedEnvelope(5.20, 6);
		System.out.printf("以下用循环输出%d个人抢%.2f圆的随机红包:\n",
				redEnvelope.remainPeople, redEnvelope.remainMoney);
		showProcess(redEnvelope);
	}
 	public static void showProcess(RedEnvelope redEnvelope) {
		double sum = 0;
		while (redEnvelope.remainPeople > 0) {
			double money = redEnvelope.giveMoney();
			System.out.printf("%.2f\t", money);
			sum = sum + money;
		}
		String s = String.format("%.2f", sum);   //金额保留2位小数
		sum = Double.parseDouble(s);
		System.out.printf("\n%.2f圆的红包被抢完", sum);
	}
}
